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Francevillite Straczekite & Metarossite

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JYJ541951

Francevillite Straczekite & Metarossite

Description Tabs

Description
Locality: 
Pandora Mine, La Sal, San Juan County, Utah, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.7 × 1.6 cm
Description

Intense green francevillite and straczekite on matrix. 

Mineral Data
What's on the rock

Francevillite

Formula: 
(Ba,Pb)(UO2)2(VO4)2·5H2O
Strunz: 
4.HB.15
Hardness: 
3.0
Type Locality: 
Mounana Mine (Mouana Mine), Franceville, Haut-Ogooué Province, Gabon

Straczekite

Formula: 
(Ca,K,Ba)(V5+,V4+)8O20·3H2O
Strunz: 
4.HE.20
Hardness: 
1.0 - 2.0
Type Locality: 
North Wilson pit, Union Carbide Mine, Wilson Springs (Potash Sulfur Springs), Garland Co., Arkansas, USA

Metarossite

Formula: 
Ca(V2O6)·2H2O
Strunz: 
4.HD.10
Hardness: 
1.0 - 2.0
Type Locality: 
Arrowhead tunnel (Arrowhead prospect; O'Neill's claim), Bull Pen Canyon, San Miguel Co., Colorado, USA...